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Iceland’s Reykjanes Peninsula Sees Ninth Fissural Eruption Since 2023

An early-morning fissural surge opened a 2.4 km crack, prompting precautionary evacuations near Grindavik.

Sur cette photo d’archives, un volcan entre en éruption dans la péninsule de Reykjanes un immense champ de lave où la géothermie et le volcanisme sont très présents. C’est là qu’un volcan entre à nouveau en activité.
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Vue aérienne diffusée le 16 juillet 2025 par les autorités islandaises montrant de la lave et de la fumée jaillissant d'un volcan près de Grindavik sur la péninsule islandaise de Reykjanes

Overview

  • The eruption began just before 04:00 GMT with lava issuing from a 2.4 km primary fissure and a secondary 500 m crack
  • It marks the ninth fissural event on the Reykjanes Peninsula since late 2023 and adds to over a dozen eruptions since geological reactivation in 2021
  • Officials report minimal ash dispersal and no threat to Reykjavík or international flight operations
  • Authorities evacuated the remaining residents of Grindavik and closed the Blue Lagoon spa as a safety measure
  • Experts warn that this heightened volcanic phase could persist for decades given the peninsula’s location on the Mid-Atlantic Ridge